@s: (750/10rem);
*{
    margin:0;
    padding:0;
}

#banner{
    width: (646/@s);
    height: (290/@s);
    margin: (147/@s) auto 0;
    background: #76D1A7;
}

.content{
    width: (646/@s);
    min-height: 10px;
    margin: (43/@s) auto 0;
    display:flex;
    justify-content: space-between;
}

.content .left{
    width: (126/@s);
    height: (407/@s);
    background: #c464a5;
}

.content .right{
    width: (476/@s);
    height: (650/@s);
    background: #697cc3;
}